TOLEDO, Ohio--(BUSINESS WIRE)--Health Care REIT, Inc. (NYSE:HCN) today announced operating results for the quarter ended June 30, 2015. “We are playing a key role in driving the evolution of health care and solving the challenges of caring for an aging population. We enter the second half of the year having announced $3.8 billion of high-quality investments primarily with our existing partners, new partnerships with three superb operators and a new joint venture partnership with Canada Pension